Dwayne had 136 songs on his phone. He deleted 56 songs. What is the ratio of songs he kept to songs he deleted (in its simplest form)?

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Find the distance between c and d on the number line c=3 and d=11